{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["adverse effect"], "input": "PURPOSE : To describe the clinical and electrophysiological findings in a young boy with decreased vision possibly due to retinal damage by rifabutin ."}
{"adverse effect": [{"subject": "decreased vision", "object": "rifabutin"}, {"subject": "retinal damage", "object": "rifabutin"}]}